Solve (4x10^-3)x(9x10^4)
The answer is 1.3x10^2. To solve this you need to multiply the integers first to get 13. The exponents (x10^4 for example) are then multiplied, since it is multiplication the powers are simply added to give x10^1. The 13x10^1 becomes 1.3x10^2 to make it standard form.
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Related Maths GCSE answers
All answers ▸If f(x) = 2x+5, g(x) = 8x-7 and f(x)=g(x). Find the value of x. Show your working.
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Find the inverse of the function f(x) =2x-7.
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